Another possibility is that the tea bag came from nearby rubbish or recycling. Outdoor bins, overflowing garbage bags, and discarded packaging can sometimes release small objects that travel into neighboring yards. What initially appears mysterious may simply be an ordinary accident.
Online discussions can make these situations seem more frightening than they really are. When people repeatedly share stories about curses or negative energy, ordinary discoveries can become associated with unnecessary fear. However, repeating a superstition does not make it a proven fact.
The most sensible response is to pick up the tea bag and dispose of it properly. If you prefer, you can clean the area afterward. There is no reason to perform special rituals or worry that the object can bring misfortune into your household.
If unusual objects repeatedly appear outside your property, however, consider whether someone might be deliberately leaving them there. Improving outdoor lighting, securing entrances, and installing a security camera can help provide reassurance if there is genuine reason for concern.
Ultimately, finding a tea bag outside your front door is most likely an ordinary occurrence rather than a mysterious warning. Before believing frightening online explanations, consider the simplest possibilities. Sometimes, what appears unusual has a perfectly reasonable explanation.